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24 companies listed · all 24 in Glendale · 5 open 24/7 · 21 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
The 24 companies listed for Glendale, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
All 24 companies we list here are in Glendale itself. We have 35 companies in Glendale on file; this page shows the highest-rated 24. The companies on this page are rated from 4.5 to 5.0 across 869 reviews; 4 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (89%), quality (82%) and responsiveness (82%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "efficient". 5 are open around the clock; 20 are open on Saturdays and 13 on Sundays. 11 show a license on their websites; 1 lists staff certifications (EPA) and 2 have a BBB rating of A or A+. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 2003. 5 offer emergency call-outs; 4 offer financing or payment plans; 9 give free estimates; 5 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Saturday or Sunday hours show up for 21 of the 24 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
